Title:
HYDRAULIC DRIVING REDUCTION GEAR
Document Type and Number:
Japanese Patent JP2003049929
Kind Code:
A
Abstract:
To provide a hydraulic driving reduction gear leaking no lubricating oil.
This hydraulic driving reduction gear comprises a hydraulic motor case having a built-in hydraulic motor, an epicycle reduction gear connected to the output shaft of the hydraulic motor, a sprocket that is connected to an end of the reduction gear case of the epicycle reduction gear and rotatably mounted to the outer periphery side of the hydraulic motor case by a bearing, and a pair of facing floating seals between the sprocket and the hydraulic motor case. A reduction gear chamber of the hydraulic driving reduction gear has an inner pressure increase avoiding means for avoiding the increase of the inner pressure.
More Like This:
Inventors:
FUKUDA EIICHI
Application Number:
JP2001235530A
Publication Date:
February 21, 2003
Filing Date:
August 02, 2001
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
F16H47/04; F16H57/02; F16H57/027; (IPC1-7): F16H57/02; F16H47/04